Question

what conclusion can you draw from the figure?
figure 16.6 (b)show three parallel rays, shown in grey, incident on smooth and rough surface. the reflected rays drawn using laws of reflection are shown in red.​

Answer 1

We can conclude that law of reflection is universal for any surface doesn't matter its plane or rough

I = r always

And incidence Ray, reflected Ray, normal are in same plane always

Answer 2

फिगर 16.4 शोत्री प्यारेलाल ड्रेस